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Theta functions, broken lines and 2-marked log Gromov-Witten invariants. [PDF]
Manuscr MathGräfnitz T.
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Modern Physics Letters A, 1997
A little known embedding theorem due to Campbell1 is discussed and employed to establish the local embedding of four-dimensional gravitational and electromagnetic plane waves in five-dimensional Ricci-flat spaces. In general, this theorem can be employed as a way of relating n-dimensional gravity to (n+1)-dimensional vacuum theories.
Lidsey, James E. +2 more
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A little known embedding theorem due to Campbell1 is discussed and employed to establish the local embedding of four-dimensional gravitational and electromagnetic plane waves in five-dimensional Ricci-flat spaces. In general, this theorem can be employed as a way of relating n-dimensional gravity to (n+1)-dimensional vacuum theories.
Lidsey, James E. +2 more
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Doklady Mathematics, 2018
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International Journal of Bifurcation and Chaos, 1991
In his paper [Takens, 1981] on strange attractors and turbulence, Floris Takens proves a theorem giving conditions under which a discrete-time dynamical system can be reconstructed from scalar-valued partial measurements of internal states. We discuss Takens' theorem in terms suitable for a general audience, and give an alternative and more detailed ...
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In his paper [Takens, 1981] on strange attractors and turbulence, Floris Takens proves a theorem giving conditions under which a discrete-time dynamical system can be reconstructed from scalar-valued partial measurements of internal states. We discuss Takens' theorem in terms suitable for a general audience, and give an alternative and more detailed ...
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Acta Mathematica Hungarica, 2000
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Mathematical Notes of the Academy of Sciences of the USSR, 1976
We obtain necessary and sufficient conditions such that, for f(x) from LP(0, 1), the integral ∫ 0 1 ¦f (x)¦qdx ...
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We obtain necessary and sufficient conditions such that, for f(x) from LP(0, 1), the integral ∫ 0 1 ¦f (x)¦qdx ...
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1988
Recall example 1.1.15: Let T be a totally ordered set and A(T) the l-group of orderpreserving permutations of T, where α ∈ A(T) is positive if tα ≥ t for all t ∈ T. Birkhoff [B] asked what l-groups can be constructed in this manner. Holland [63] gave a partial answer to this question and in the process provided a new perspective from which l-groups can
Marlow Anderson, Todd Feil
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Recall example 1.1.15: Let T be a totally ordered set and A(T) the l-group of orderpreserving permutations of T, where α ∈ A(T) is positive if tα ≥ t for all t ∈ T. Birkhoff [B] asked what l-groups can be constructed in this manner. Holland [63] gave a partial answer to this question and in the process provided a new perspective from which l-groups can
Marlow Anderson, Todd Feil
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Kodaira’s Projective Embedding Theorem
1980In this chapter we are going to prove a famous theorem due to Kodaira, which gives a characterization of which compact complex manifolds admit an embedding into complex projective space. In Sec. 1 we shall define Hodge manifolds as those which carry an integral (1, 1) form which is positive definite in local coordinates.
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2012
We first consider pairs \((\mathcal{N},\mathcal{T} )\) where \(\mathcal{N}\) is a closed connected smooth manifold and \(\mathcal{T}\) a nowhere vanishing smooth real vector field on \(\mathcal{N}\) that admits an invariant metric and shows that there is an embedding \(F : \mathcal{N} \rightarrow {S}^{2N-1} \subset {\mathbb{C}}^{N}\) for some N mapping
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We first consider pairs \((\mathcal{N},\mathcal{T} )\) where \(\mathcal{N}\) is a closed connected smooth manifold and \(\mathcal{T}\) a nowhere vanishing smooth real vector field on \(\mathcal{N}\) that admits an invariant metric and shows that there is an embedding \(F : \mathcal{N} \rightarrow {S}^{2N-1} \subset {\mathbb{C}}^{N}\) for some N mapping
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ON THE RADSTRÖM EMBEDDING THEOREM
Analysis, 1985Radström showed that the collection of all nonvoid convex compact subsets of a normed linear space can be embedded as a convex cone in a linear space. We extend this result to hypernormed linear spaces.
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